Single-player games like Null Orbit
Below are 8 single-player Steam games similar to Null Orbit, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Null Orbit page.
Ranked picks
- 1
Space Bross
Single-player alternative to Null Orbit — playable solo, no multiplayer required. Shares Action with Null Orbit.
Your chicken has been kidnapped, and that’s all it takes to send a retired astronaut into full galactic mayhem. Space Bross is a hand-drawn 2.5D tower defense & action roguelite where you’ll build bases, fend off alien hordes, and blast your way across planets to bring your feathery friend back.
- 2
FOXFIRE
Single-player alternative to Null Orbit — playable solo, no multiplayer required. Shares Action with Null Orbit.
Full Thrust, Full Inertia, Full Auto! FOXFIRE is a top-down sci-fi survivors-like with space physics and a devastating arsenal of evolving weaponry. Customize your ship and tear through alien swarms as routine recon missions descend into bullet hellscapes.
- 3
Okay, Panic
Single-player alternative to Null Orbit — playable solo, no multiplayer required. Shares Action with Null Orbit.
A top-down space survival roguelite. Harvest crystallized spacetime, build your arsenal from 40+ absurdly named weapons, and hold off increasingly hostile void entities until the universe runs out of things to throw at you. It usually doesn't.
- 4
SteelGuard
Single-player alternative to Null Orbit — playable solo, no multiplayer required. Shares Action with Null Orbit.
Pilot customizable mechs in an epic battle against hordes of enemiesor dive into intense PvP battles where precision aiming can turn the tide, or let your mech's auto-firing system handle the heat of combat. With rogue-lite elements, each run offers a unique challenge and opportunity for growth.
- 5
Astrum Vanguard
Single-player alternative to Null Orbit — playable solo, no multiplayer required. Shares Action with Null Orbit.
In Astrum Vanguard, a 2D horde-survival with bullet hell components, you pilot and upgrade your spaceship to defeat countless alien creatures. Survive the endless onslaught in the cosmic battlefield!
- 6
Homesider Survivors
Single-player alternative to Null Orbit — playable solo, no multiplayer required. Shares Action with Null Orbit.
HOMESIDER SURVIVORS is a single player survivor-like auto-shooter. You find yourself far from home against countless hordes of aliens...but they're the ones who have to survive, because they kidnapped the wrong guy. Kill, die, level up, and try again until you get home.
- 7
Micron Survivor
Single-player alternative to Null Orbit — playable solo, no multiplayer required. Shares Action with Null Orbit.
Micron Survivor is a survival game with rogue-lite elements where you play as alien microorganisms under the microscope. Evolve, unlock research objectives, find symbiotic weapons, upgrade your builds, and fight hordes of terrestrial organisms to rule the microcosm.
- 8
Deep Space Survivor: Endless Starfield
Single-player alternative to Null Orbit — playable solo, no multiplayer required. Shares Action with Null Orbit.
"Deep Space Survivor: Endless Starfield" is a survivor-style game. Your interstellar battleship accidentally enters an unknown universe, fighting its way through endless enemies, roaming multiple star systems, and collecting meteor resources to forge your ultimate orbital weapon.